package com.project.servlet;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
import com.project.bean.UserBean;
import com.project.service.IUserService;
import com.project.service.impl.UserServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;

public class FindAllServlet extends HttpServlet {
    private IUserService userService = new UserServiceImpl();

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        this.doPost(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        req.setCharacterEncoding("utf-8");
        resp.setContentType("text/html;charset=utf-8");
        List<UserBean> List = userService.findAll();
        ObjectMapper om = new ObjectMapper();
        om.registerModule(new JavaTimeModule());
        String s = om.writeValueAsString(List);
        resp.getWriter().print(s);
    }
}
